Research Article

Qualitative and quantitative analysis of ultra-efficiency projects: Commonalities, differences, and lessons learned

Volume: 9 Number: 1 March 31, 2025
EN

Qualitative and quantitative analysis of ultra-efficiency projects: Commonalities, differences, and lessons learned

Abstract

Industrial companies must become more sustainable and environmentally friendly to cope with rising energy and resource costs and regulatory requirements. One approach achieving these goals is the concept of ultra-efficiency, which has been developed and promoted by Fraunhofer in recent years. In many cases, measures to increase sustainability are more effective when neighboring companies work together than when they act individually. This is why the concept of ultra-efficiency has been extended from a single factory to multiple factories in industrial zones and, more recently, to agriculture in mixed-use urban districts. Understanding the benefits and identifying barriers and best practices for fostering such collaboration is important for translating scientific concepts into practice. Therefore, three completed projects are selected and qualitatively and quantitatively analyzed in terms of their similarities and differences. Based on the analyses, a list of eight lessons is highlighted to assist in its quest for greater sustainability: Project complexity increases with diverse stakeholders. Public engagement and demonstrators are key to communication. A strong lead entity is essential early on. Decision maker engagement, clear benefits, data sharing, and independent operator models are key to achieving viable synergies. Long-term planning and infrastructure investment are essential to achieving sustainability goals.

Keywords

Supporting Institution

Ministry of the Environment, Climate Protection and the Energy Sector Baden-Württemberg grant numbers L75 21107, BWDU20110, L75 22123, L75 22124

Project Number

n/a

Ethical Statement

n/a

Thanks

n/a

References

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Details

Primary Language

English

Subjects

Energy, Mechanical Engineering (Other)

Journal Section

Research Article

Early Pub Date

March 15, 2025

Publication Date

March 31, 2025

Submission Date

July 29, 2024

Acceptance Date

February 6, 2025

Published in Issue

Year 2025 Volume: 9 Number: 1

APA
Koch, D., Balve, P., Gerdes, J.- niklas, Hertwig, M., Kröll, M., & Lentes, J. (2025). Qualitative and quantitative analysis of ultra-efficiency projects: Commonalities, differences, and lessons learned. Journal of Energy Systems, 9(1), 68-84. https://doi.org/10.30521/jes.1524221
AMA
1.Koch D, Balve P, Gerdes J niklas, Hertwig M, Kröll M, Lentes J. Qualitative and quantitative analysis of ultra-efficiency projects: Commonalities, differences, and lessons learned. Journal of Energy Systems. 2025;9(1):68-84. doi:10.30521/jes.1524221
Chicago
Koch, David, Patrick Balve, Jan-niklas Gerdes, Michael Hertwig, Markus Kröll, and Joachim Lentes. 2025. “Qualitative and Quantitative Analysis of Ultra-Efficiency Projects: Commonalities, Differences, and Lessons Learned”. Journal of Energy Systems 9 (1): 68-84. https://doi.org/10.30521/jes.1524221.
EndNote
Koch D, Balve P, Gerdes J- niklas, Hertwig M, Kröll M, Lentes J (March 1, 2025) Qualitative and quantitative analysis of ultra-efficiency projects: Commonalities, differences, and lessons learned. Journal of Energy Systems 9 1 68–84.
IEEE
[1]D. Koch, P. Balve, J.- niklas Gerdes, M. Hertwig, M. Kröll, and J. Lentes, “Qualitative and quantitative analysis of ultra-efficiency projects: Commonalities, differences, and lessons learned”, Journal of Energy Systems, vol. 9, no. 1, pp. 68–84, Mar. 2025, doi: 10.30521/jes.1524221.
ISNAD
Koch, David - Balve, Patrick - Gerdes, Jan-niklas - Hertwig, Michael - Kröll, Markus - Lentes, Joachim. “Qualitative and Quantitative Analysis of Ultra-Efficiency Projects: Commonalities, Differences, and Lessons Learned”. Journal of Energy Systems 9/1 (March 1, 2025): 68-84. https://doi.org/10.30521/jes.1524221.
JAMA
1.Koch D, Balve P, Gerdes J- niklas, Hertwig M, Kröll M, Lentes J. Qualitative and quantitative analysis of ultra-efficiency projects: Commonalities, differences, and lessons learned. Journal of Energy Systems. 2025;9:68–84.
MLA
Koch, David, et al. “Qualitative and Quantitative Analysis of Ultra-Efficiency Projects: Commonalities, Differences, and Lessons Learned”. Journal of Energy Systems, vol. 9, no. 1, Mar. 2025, pp. 68-84, doi:10.30521/jes.1524221.
Vancouver
1.David Koch, Patrick Balve, Jan-niklas Gerdes, Michael Hertwig, Markus Kröll, Joachim Lentes. Qualitative and quantitative analysis of ultra-efficiency projects: Commonalities, differences, and lessons learned. Journal of Energy Systems. 2025 Mar. 1;9(1):68-84. doi:10.30521/jes.1524221

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